<view hidden="{{hidden}}" style="opacity:0;">
    <canvas canvasId="draw" style="width:{{canvasWidth}}px;height:{{canvasHeight}}px"></canvas>
</view>
<view style="height:65vh;">
    <image bindtap="previewImage" class="image" mode="aspectFit" src="{{showImage.url}}" style="height:100%;"></image>
</view>
<view class="padding flex flex-direction">
    <button bindtap="save" class="cu-btn bg-cyan shadow lg round">保存到相册</button>
</view>
<adComponent  wx:if="{{ad}}" ad="{{ad}}"/>
